code: def is_tokens_from_multiple_sentences(
      tokens: Union[TokensType, TokenIDsType]
  ) -> bool:
      """Return True if the tokens object consists of tokens from multiple sentences."""
      return len(tokens) > 0 and isinstance(tokens[0], list)
  
imports: import abc
  import itertools
  from ..vocab import Vocab
  from ...utils.registry import Registry
  from typing import List, Tuple, Union, NewType, Optional
label_desc: Use image node_id 1 for calling a global function with example usage: is_tokens_from_multiple_sentences(tokens) and returns: unknown